LGX2W561MELC50

The LGX2W561MELC50 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon's LGX series designed for high‑voltage power applications. It delivers 560 µF at a 450 V rating in a smaller‑sized radial can with snap‑in mounting, targeting rectifier stages and switching power electronics that require reliable bulk capacitance.

Built for durability under elevated temperatures, this part is specified for operation from −25 °C to +105 °C and is part of a long‑life assurance series that withstands 5000 hours of rated ripple current at 105 °C. The product is RoHS compliant.

Key Features

• Capacitance and Voltage: 560 µF nominal capacitance at a 450 V rated voltage suitable for high‑voltage filtering and energy storage tasks.
• Long‑life Endurance: Series‑rated to withstand 5000 hours of rated ripple current at 105 °C, supporting extended service life in high‑temperature operating environments.
• Temperature Range: Specified operating range from −25 °C to +105 °C for use across a broad set of industrial applications.
• Ripple Current Capability: Rated ripple current of 1.98 A at 120 Hz and 2.831 A at 50 kHz to handle common rectification and switching waveforms.
• Package and Mounting: Radial can with snap‑in terminals for robust board retention and ease of assembly in power supply and inverter designs.
• Polarized Electrolytic Type: Polarized aluminum electrolytic construction for bulk capacitance where polarity is managed in the circuit.
• Regulatory Compliance: Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Power Inverters (Rectifier Stage): Bulk smoothing and DC link support for rectifier circuits in general inverter systems.
• Switching Power Supplies: Energy storage and ripple suppression in switch‑mode power supply outputs and input filters.
• General‑Purpose Power Electronics: High‑voltage filtering and decoupling where polarized, high‑capacitance components are required.

Unique Advantages

• High‑Voltage Bulk Capacity: 560 µF at 450 V provides significant energy storage per component, reducing the number of capacitors needed in high‑voltage rails.
• Validated High‑Temperature Endurance: 5000‑hour rating at 105 °C gives designers a quantifiable endurance metric for long‑term reliability planning.
• Measured Ripple Performance: Specified ripple current values at both 120 Hz and 50 kHz allow straightforward thermal and lifetime calculations for common power waveforms.
• Snap‑In Mounting for Secure Assembly: Snap‑in terminals offer reliable board retention in vertical can packages, simplifying mechanical integration.
• Smaller‑Sized Package: Described as smaller‑sized within the LGX series and provided with compact dimensions (L: 5 × D: 3.5 cm), helping conserve board area in dense power assemblies.
• RoHS Compliant: Conforms to current RoHS requirements for restricted substances.

Why Choose LGX2W561MELC50?

The LGX2W561MELC50 is positioned for designs that require robust high‑voltage bulk capacitance with defined long‑term endurance at elevated temperatures. Its combination of 560 µF capacitance, 450 V rating, and 5000‑hour endurance at 105 °C suits inverter rectifiers, switch‑mode power supplies, and other power electronics where reliable DC link and smoothing performance are critical.

Nichicon's LGX series specification set and the part's explicit ripple and temperature ratings make it a practical choice for engineers and procurement teams seeking predictable performance and lifecycle characteristics from a known aluminum electrolytic family.

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